meltdown.h

/*-
 * Copyright (c) 2018 The University of Oslo
 * Copyright (c) 2018 Dag-Erling Smørgrav
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. The name of the author may not be used to endorse or promote
 *    products derived from this software without specific prior written
 *    permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 */

#ifndef MELTDOWN_H_INCLUDED
#define MELTDOWN_H_INCLUDED

#include "mdctype.h"

/*
 * Debugging
 */
extern int verbose;
#define VERBOSEF(...) do { if (verbose > 0) fprintf(stderr, __VA_ARGS__); } while (0)
#define VERYVERBOSEF(...) do { if (verbose > 1) fprintf(stderr, __VA_ARGS__); } while (0)

/*
 * Utilities
 */
void hexdump(size_t, const void *, size_t);

/*
 * Assembler functions
 */
void clflush(const void *);
uint64_t rdtsc64(void);
uint32_t rdtsc32(void);
uint64_t timed_read(const void *);
void spec_read(const uint8_t *, const uint8_t *, unsigned int);

/*
 * Attack setup and execution
 */
void meltdown_init(void);
void meltdown_calibrate(void);
void meltdown_attack(const void *, void *, size_t, unsigned int);

#endif